Kanji
Your sentence
これ は 昨日 買った 本 です。
Words in this sentence
これ
this; this one; this person; now; this point (in time); used to stress the subject of a sentence
Pronoun
買う
to buy; to purchase; to value (highly); to think highly of; to have a high opinion of; to appreciate; to recognize; to incur (someone's anger, displeasure, etc.); to elicit (e.g. sneers); to invite (e.g. scorn); …
Godan verb